Home / 247,985,635.60-371,776,899.48-86,540,945.68

Finding the Fourth Proportional to 247,985,635.60, 371,776,899.48 and 86,540,945.68

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Solution

The fourth proportional to 247,985,635.60, 371,776,899.48 and 86,540,945.68 is: 129,741,081.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,985,635.60 : 371,776,899.48 = 86,540,945.68 : x
  2. Step 2: Convert to fraction form
    247,985,635.60/371,776,899.48 = 86,540,945.68/x
  3. Step 3: Cross multiply
    247,985,635.60x = 371,776,899.48 × 86,540,945.68
  4. Step 4: Simplify right side
    247,985,635.60x = 32,173,924,462,977,504
  5. Step 5: Solve for x
    x = 32,173,924,462,977,504/247,985,635.60
  6. Step 6: Final answer
    x = 129,741,081.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.